classify the following compounds as ionic and covalent. CH4 ,CCl4 ,HCl , NaCl ,NH3 ,CaO ,H2O , Br2 ,C2H5OH , CH3OCH2CH3 ,Co ,CH2CH2 ,MgSO4 ,C2H2 , H2SO4, CH3COONa ,CO2 ,H2 , KBr ,O2 ,NaOH.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

What produces wave a)sound b) heats c)transfer of energy d)vibrations

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.